Home / 1,022,536.12-1,533,808.14-312,561.40

Finding the Fourth Proportional to 1,022,536.12, 1,533,808.14 and 312,561.40

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Solution

The fourth proportional to 1,022,536.12, 1,533,808.14 and 312,561.40 is: 468,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,536.12 : 1,533,808.14 = 312,561.40 : x
  2. Step 2: Convert to fraction form
    1,022,536.12/1,533,808.14 = 312,561.40/x
  3. Step 3: Cross multiply
    1,022,536.12x = 1,533,808.14 × 312,561.40
  4. Step 4: Simplify right side
    1,022,536.12x = 479,409,219,569.80
  5. Step 5: Solve for x
    x = 479,409,219,569.80/1,022,536.12
  6. Step 6: Final answer
    x = 468,843.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.